ATS Governance

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ATS Leadership

The ATS installed new officers to lead the Society for the 2018-2019 term. Each officer was sworn into a new position on Tuesday, May 22, during the ATS 2017 Plenary Session.


Polly Parsons, MD

Polly Parsons, MD, was installed as president for the 2018-2019 term. Dr. Parsons is Professor of Medicine and the E.L. Amidon Chair of the department of medicine at the University of Vermont.

A member of the ATS since 1989, Dr. Parsons has served as a member of several committees, including Members in Transition and Training, Nominating, Finance, Publications Policy, Clinicians Advisory, Membership, Assembly on Critical Care Planning, Program and Budget, as well as on the ATS Foundation Board of Directors.  She also served as the Chair of the Training Committee, and chaired both the MultisocietyTask Force for Critical Care Research and the Multisociety Task Force on Competencies in Pulmonary and Critical Care Medicine.  In 2006, she received the Elizabeth A. Rich Award, and in 2017, the ATS Assembly on Critical Care 9th Annual Lifetime Achievement Award.  Dr. Parsons was one of the inaugural ATS Fellows in 2018.

Dr. Parsons has long standing interests in research, education, and patient care. Her specific area of research focus is acute lung injury and critical illness. Her work has been supported by grants from the NIH, and she has served on several research review and advisory committees, including the National Heart Lung and Blood Scientific Advisory Council, NHLBI Clinical Trials Review Committee, the FDA Pulmonary and Allergy Drug Advisory Committee, and the Scientific Council of the Francis Families Foundation.

2016 Disclosure of Potential Conflicts of Interests Relevant to ATS Activities: No commercial interests within the past three years that could be considered relevant to ATS activities.

James Beck, MD

James Beck, MD, was installed as president-elect for the 2018-2019 term, and he will serve as president for the 2019-2020 term. Dr. Beck is Professor of Medicine in the Division of Pulmonary Sciences and Critical Care at the University of Colorado, and Vice-Chair for Veterans Affairs in the University of Colorado's Department of Medicine.  He has been Chief of Medicine for the VA Eastern Colorado Health Care System since 2012.

The ATS has been a major component of Dr. Beck's professional identity since 1987. He has served as MTPI (now PI-TB) Assembly Chair, Chair of the International Conference and Education Committees, and Chair of the Planning and Evaluation Committee. He helped co-lead efforts to create a home for clinician-educators within ATS, assisting in the development of a new Section on Medical Education.  He is currently represents ATS in the Forum of International Respiratory Societies (FIRS).

His research interests include HIV-related opportunistic infections and the emerging field of the lung microbiome. He was a Principal Investigator for the NHLBI's Lung HIV Microbiome Project. Dr. Beck's clinical achievements have been recognized by selection for Best Doctors in America annually since 1994. He is passionate about resident and fellow education and was elected to the University of Colorado's Academy of Medical Educators in 2014.  He serves as the Councilor for the University of Colorado's Chapter of Alpha Omega Alpha, the national medical honor society.

2016 Disclosure of Potential Conflicts of Interests Relevant to ATS Activities: No commercial interests within the past three years that could be considered relevant to ATS activities.

Juan C. Celedón, MD, DrPH

Juan C. Celedón, MD, DrPH, was installed as vice-president for the 2018-2019 term, and he will serve as president for the 2020-21 term.

Dr. Celedón is the Niels K. Jerne Professor of Pediatrics and Medicine, and Chief of the Division of Pediatric Pulmonary Medicine at the University of Pittsburgh School of Medicine.

Dr. Celedón earned a degree in medicine from Javeriana University in Colombia and a doctoral degree in public health from Harvard University. He completed a residency in Internal Medicine at Beth Israel Medical Center in New York, a Fellowship in Pulmonary and Critical Care Medicine at Brown University, and a Research Fellowship at the Channing Laboratory of Brigham and Women's Hospital and Harvard Medical School. In 2000, he joined the faculty at Harvard Medical School, rising to Associate Professor before joining the University of Pittsburgh in 2010.

Dr. Celedón's research has focused on asthma, COPD, and health disparities in airway diseases. His scientific contributions have been acknowledged through his election to the American Society for Clinical Investigation and the Association of American Physicians, as well as through the ATS Recognition Award for Scientific Accomplishments, among other honors. A devoted mentor, he was the first faculty member to ever receive both the Young Mentor Award and the A. Clifford Barger Excellence in Mentoring Award from Harvard Medical School.

The ATS has long been his professional home, and his vision for the Society is one of constant innovation and excellence in diversity.

2016 Disclosure of Potential Conflicts of Interests Relevant to ATS Activities: No commercial interests within the past three years that could be considered relevant to ATS activities.

Lynn Schnapp, MD

Lynn Schnapp, MD, was elected as secretary-treasurer for the 2018-19 term, and will serve as president for the 2021-2022 term. Dr. Schnapp is a tenured professor of medicine and division chief of Pulmonary, Critical Care Allergy and Sleep Medicine at the Medical University of South Carolina (MUSC), in Charleston.

Dr. Schnapp became a member of the ATS in 1989. Since that time, she has been involved with a wide range of committees, working groups, task forces and assembly programs. As chair of the Respiratory, Cell and Molecular Biology Assembly, she served on the ATS Executive Board.

She received her BS from MIT, her MD and medicine residency training from the University of Pennsylvania, and her pulmonary and critical care fellowship training at UCSF, where she remained on faculty for several years before moving to Mount Sinai School of Medicine.  She then moved to the University of Washington in 2000, where she became a professor.  There, she directed the Respiratory Cell Molecular Biology Research Track and led the Career Development Core for the NIH Clinical and Translational Science Award. In 2013, Dr. Schnapp was recruited to MUSC to assume the position of division chief. 

Dr. Schnapp is an active clinician, attending on the MICU and pulmonary consult service, and leads a research program in lung injury and repair that has been continuously funded by the NIH for over 25 years. She is particularly passionate about developing the next generation of leaders and increasing the representation of women and underrepresented minorities in our field.  Her mentee training record extends from high school students through junior faculty, and allied health professionals, many of whom now have faculty positions. Dr. Schnapp has received many honors for mentoring, including the ATS Elizabeth Rich Award, NIH Mid-Career Mentoring Award, UW School of Medicine Award for Mentoring, and Advancement of Women Faculty Award at MUSC.

Marc Moss, MD

Marc Moss, MD, was installed as immediate past president. Dr. Moss is the Roger S. Mitchell Professor of Medicine and Vice Chair of Clinical Research for the Department of Medicine at the University of Colorado School of Medicine.

Dr. Moss has a longstanding interest in clinical and translational research involving critical care research for over two decades, and he has held continuous NIH funding as a Principal Investigator for over 18 consecutive years. More specifically, Dr. Moss's research interests include identifying new treatment modalities for patients with the Acute Respiratory Distress Syndrome (ARDS), exploring the diagnosis and treatment of neuromuscular dysfunction in critically ill patients who require mechanical ventilation, and studying burnout syndrome, post-traumatic stress disorder, and wellness on healthcare professionals.

An ATS member since 1993, Dr. Moss has previously served on multiple ATS committees, including the International Conference, Communications and Marketing, Clinicians Advisory, Program and Budget, Awards, Nominating, and the Education Committees. He has also been a member of several Critical Care Assembly committees, ATS task forces, and the Board of Directors for four terms as a presidential appointee.

During his term as chair of the Communications and Marketing Committee, he helped develop the ATS tagline "We help the world breathe." As chair of the International Conference Committee, he helped to implement the acceptance of case reports, pairing of junior and senior investigators to serve as co-facilitators for thematic poster sessions, enhancement of poster discussion sessions, and institution of late-breaking abstract submissions.

2016 Disclosure of Potential Conflicts of Interests Relevant to ATS Activities: No commercial interests within the past three years that could be considered relevant to ATS activities.

Last Reviewed: June 2018